Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Process\ProcessResult" not found in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Process/FakeProcessResult.php:8 Stack trace: #0 {main} thrown in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Process/FakeProcessResult.php on line 8